It's too soon surely. There are plenty of recent or current 64-bit-incapable platforms (PCs running 32-bit Windows, every Android phone to date ...) which you'd

It's too soon surely. There are plenty of recent or current 64-bit-incapable platforms (PCs running 32-bit Windows, every Android phone to date ...) which you'd hope to at least be able to run an up-to-date web browser on for several years to come.